Lagoon Nebula, M 8

07.05

The Lagoon Nebula (catalogued as Messier 8 or M8, and as NGC 6523) is a giant interstellar cloud in the constellation Sagittarius. It is classified as an emission nebula and as a H II region. The Lagoon Nebula was discovered by Giovanni Hodierna before 1654 and is one of only two star-forming nebulae faintly visible to the naked eye from mid-northern latitudes. Seen with binoculars, it appears as a distinct oval cloudlike patch with a definite core. A fragile star cluster appears superimposed on it.

  • Imaging telescopes or lenses: Orion ED80T CF
  • Imaging cameras: Atik 428EX
  • Mounts: Celestron Advanced VX
  • Guiding cameras: Orion Starshoot Autoguider
  • Focal reducers: Orion 0.8x Imaging Focal Reducer for Refractors
  • Software: PixInsight,  Photoshop CS6,  Stark Labs Nebulosity 3.1,  Star Tools
  • Filters: Baader O III 8.5nm,  Baader H-Alpha 7nm
  • Resolution: 1636×1272
  • Dates: June 22, 2014,  April 19, 2015
  • Frames:
    Baader H-Alpha 7nm: 21×420″ bin 1×1
    Baader O III 8.5nm: 15×420″ bin 1×1
  • Integration: 4.2 hours
  • Avg. Moon age: 12.33 days
  • Avg. Moon phase: 13.42%
  • RA center: 271.049 degrees
  • DEC center: -24.321 degrees
  • Orientation: -177.214 degrees
  • Field radius: 0.719 degrees

Author: Ezequiel

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